Date: 09 Dec 1992 08:10:04 -0400 (EDT)
From: Eric Ho <9041477 AT SSCvax DOT CIS DOT McMaster DOT CA>
Subject: Re: on -O and -O2 again
To: ESCHN705 AT RZ DOT Braunschweig DOT PTB DOT DBP DOT de
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu

From:	IN%"ESCHN705 AT RZ DOT Braunschweig DOT PTB DOT DBP DOT de"  9-DEC-1992 04:41:56.28
To:	IN%"djgpp AT sun DOT soe DOT clarkson DOT edu"
CC:	
Subj:	on -O and -O2 again

==================
/*I sent this file some hours ago and I'm afraid it vanished somewhere, so...*/
/*  Excuse me, please. I'm still in trouble with 1.08.                   */
/*  There was indeed a gross mistake (thanks for hints), but...          */
/*  When compiled with                                                   */
/*  gcc -Wall -O2 test.c -lm                                             */
/*  the following still fails, giving an exception 14.                   */
/*                                                                       */
/*  Can you help me once more ?                                          */
/*                                                                       */
/*  test.c:                                                              */
/*-----------------------------------------------------------------------*/
#include <stdio.h>

#define maxdim 23

typedef double matrix[2*maxdim+1][2*maxdim+1];

void main (argc,argv)

int argc;
char **argv;

{  matrix morg;

   static int lact, lm, ln;
   ^
   add this here 
	
   for (lact=0; lact <= maxdim; ++lact)
     { printf("lact=%5d ",lact); fflush(stdout);

       for (lm=0; lm <= 2*lact; ++lm)
         for (ln=0; ln <= 2*lact; ++ln)
           morg[lm][ln] = 1.0;
     }
}
/*-----------------------------------------------------------------------*/

Add "static" in front of your declaration "int lact, lm, ln" solves
the problem.

Cheers,
Eric